IS42S32800B-7TLI ISSI, Integrated Silicon Solution Inc, IS42S32800B-7TLI Datasheet - Page 54
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IS42S32800B-7TLI
Manufacturer Part Number
IS42S32800B-7TLI
Description
IC SDRAM 256MBIT 143MHZ 86TSOP
Manufacturer
ISSI, Integrated Silicon Solution Inc
Type
SDRAMr
Datasheet
1.IS42S32800B-7BL.pdf
(62 pages)
Specifications of IS42S32800B-7TLI
Format - Memory
RAM
Memory Type
SDRAM
Memory Size
256M (8Mx32)
Speed
143MHz
Interface
Parallel
Voltage - Supply
3 V ~ 3.6 V
Operating Temperature
-40°C ~ 85°C
Package / Case
86-TSOPII
Organization
8Mx32
Density
256Mb
Address Bus
14b
Access Time (max)
5.5ns
Maximum Clock Rate
143MHz
Operating Supply Voltage (typ)
3.3V
Package Type
TSOP-II
Operating Temp Range
-40C to 85C
Operating Supply Voltage (max)
3.6V
Operating Supply Voltage (min)
3V
Supply Current
150mA
Pin Count
86
Mounting
Surface Mount
Operating Temperature Classification
Industrial
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
IS42S32800B-7TLI
Manufacturer:
ISSI
Quantity:
1 000
IS42S32800B
54
Figure 19.3.Full Page Write Cycle (Burst Length=Full Page,CAS#Latency=3)
BS0,1
CAS#
A0-A9
DQM
RAS#
WE#
CKE
CLK
CS#
A10
DQ
High
Hi-Z
Command
Activate
Bank A
RAx
RAx
T0 T 1 T2 T3 T4 T5 T6 T7 T8 T9 T10 T 11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
t
CK3
Command
Bank A
Write
CAx
DAx
DAx+1 DAx+2 DAx+3 DAx-1 DAx
Command
Activate
Bank B
The burst counter wraps
from the highest order
page address back to zero
during this time interval
RBx
RBx
DAx+1 DBx
Full Page burst operation does
not terminate when the burst
length is satisfied; the burst counter
increments and continues bursting
beginning with the starting address.
Command
Bank B
CBx
Write
DBx+1
DBx+3 DBx+4 DBx+5
Burst Stop
Command
Integrated Silicon Solution, Inc.
Precharge
Command
Bank B
Data is ignor ed
Command
Activate
Bank B
RBy
RBy
07/21/09
Rev. F